(19)

(11)

EP 2 673 880 A2

(12)

(88) Date of publication A3: 18.10.2012 (43) Date of publication: 18.12.2013 Bulletin 2013/51 (21) Application number: 12706742.9 (22) Date of filing: 07.02.2012

(51) International Patent Classification (IPC):  H03F 1/02(2006.01) (86) International application number: PCT/US2012/024124 (87) International publication number: WO 2012/109227 (16.08.2012 Gazette 2012/33)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 07.02.2011 US 201161440089 P (71) Applicant: RF Micro Devices, Inc. Greensboro, NC 27409 (US)	(72) Inventors: KHLAT, Nadim F-31270 Cugnaux (FR) HORLANDER, Karl, F. Apex, NC 27539 (US) (74) Representative: Brophy, David Timothy  FRKelly 27 Clyde Road Ballsbridge Dublin 4 Dublin 4 (IE)